iiot controller • Erqos Technologies

Smart reverse osmosis (RO) water purification system with EQSP32 industrial IoT controller for automated monitoring, pump and valve control, and real-time water quality management.

Smart Reverse Osmosis Control with the EQSP32 IoT Controller

September 29, 2025

by Erqos Team with No Comment Application Example

Smart Reverse Osmosis control with EQSP32: integrate sensors, automate pumps & flushing, and monitor your RO skid in real time via IoT cloud.

Node-RED dashboard and EQSP32 IoT controller connected via an MQTT broker for monitoring and control. Shows bidirectional communication with MQTT topics powering automation dashboards.

Seamless IIoT Node-RED and EQSP32 PLC Integration: Real-Time Monitoring and Control over MQTT

September 27, 2025

by Ermis Stouraitis with No Comment Demos Tutorial

Integrate the EQSP32 industrial ESP32 PLC with Node-RED over MQTT to build real-time automations and dashboards, for monitoring and control, with minimal code.

Smart pool automation using EQSP32 ESP32-based IIoT PLC, providing energy-saving control of pumps, lights, water temperature monitoring, and pH measurement in modern residential and commercial swimming pools.

Smart Pool Automation with Energy-Saving Logic Powered by the EQSP32 IoT PLC

August 26, 2025

by Erqos Team with No Comment Application Example

EQSP32 PLC as a smart pool controller automating pumps, lights & monitoring pH with energy-saving logic, IoT dashboards & room for future expansion.

Illustration comparing Arduino OTA and Web OTA firmware update methods on the EQSP32 industrial ESP32-based micro-PLC IIoT controller. The image shows a laptop with Arduino IDE labeled “Arduino OTA” on the left and a web browser update window labeled “Web OTA” on the right, under the title “Over-the-Air Updates.”

Industrial ESP32 PLC Over-the-Air Updates (OTA): How to Wirelessly Update EQSP32 Firmware

August 26, 2025

by Ermis Stouraitis with No Comment Application Note Tutorial

Perform password-protected Over-the-Air Updates (OTA) on EQSP32 industrial ESP32 micro-PLC using Arduino OTA or the built-in Web Maintenance Panel (port 8000).

Next-generation EQSP32 Ethernet & 4–20 mA industrial IoT PLC is here

by Ermis Stouraitis with No Comment News

Next-gen EQSP32CE PLC with Ethernet, 0–10 V & 4–20 mA inputs is here! First units are shipping now—secure your ESP32-based industrial IoT Micro-PLC today.

New EQSP32 code examples now on GitHub

by Ermis Stouraitis with No Comment News

New EQSP32 code examples now on GitHub! Industrial serial communication, RS485 Modbus RTU, Web UI, task scheduling & more. Fast-start your IIoT projects today.

EQSP32 3D CAD models now available for download

by Ermis Stouraitis with No Comment News

Use the available EQSP32 3D models to improve your documentation, plan DIN rail layouts and electrical cabinet installations with sub-millimeter precision.

Ethernet and 4-20mA on EQSP32 IoT PLC – Fabrication in progress

by Ermis Stouraitis with No Comment News

The EQSP32 Micro-PLC is entering its next generation with built-in Ethernet, 4–20 mA current-loop input support, and native 0–10 V analog inputs.

19 Unique ways EQSP32 leaves the rest behind

by Ermis Stouraitis with No Comment News

Learn about EQSP32’s standout features. From unmatched I/O flexibility and advanced communication protocols to seamless cloud integration and plug-and-play expansion modules.

“IoThinging” with EQSP32: Internet-controlled hot tub, made simple

by Ermis Stouraitis with No Comment News

Transfer all the power—and comfort—of your hot tub to your fingertips with EQSP32 IoT PLC and DashIO IoT platform.